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  <title>ol-ext: Swipe control</title>
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  <meta name="description" content="ol.control.Permalink add a premalink control to the map." />
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  <a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>

  <a href="../../index.html">
    <h1>ol-ext: Swipe control</h1>
  </a>
  <div class="info">
    <i>ol.control.Swipe</i> is a control that add a split screen to compare two map overlays.
    <br/>
    Layers can be added to left (top) or right (bottom) side of the map.
    Layers that are not added are displayed on both sides.
  </div>

  <!-- Map div -->
  <div id="map" style="width:600px; height:400px;"></div>

  <div class="options" >
    <ul><li>
      <input id="ori" type="checkbox" onchange="ctrl.set('orientation',$(this).prop('checked')?'horizontal':'vertical')" /><label for="ori"> horizontal swipe</label>
    </li><li>
      <button type="button" onclick="ctrl.set('position', 0.5);">Reset position</button>
    </li></ul>
  </div>

  <script type="text/javascript">
    // Layers
    var osm = new ol.layer.Tile({
      source: new ol.source.OSM() 
    });
    var stamen = new ol.layer.Tile({
      source: new ol.source.Stamen({ layer: 'watercolor' }) 
    });
    var label = new ol.layer.Tile({
      source: new ol.source.Stamen({ layer: 'terrain-labels' }) 
    });

    // The map
    var map = new ol.Map({
      target: 'map',
      view: new ol.View({
        zoom: 12,
        center: [270701, 6247637]
      }),
    layers: [ stamen, osm, label ]
    });

    // Control
    var ctrl = new ol.control.Swipe();
    map.addControl(ctrl);
    // Set stamen on left
    ctrl.addLayer(stamen);
    // OSM on right
    ctrl.addLayer(osm, true);

  </script>

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